· Numbers are displayed below, as they appear on the transmissions. FIRST TRANSMISSION. Casting is located above side cover, on trans. case. OR GM 8. K SECOND TRANSMISSION. Number is located on side cover. X GM. This may be a 3 speed overdrive? THIRD TRANSMISSION. Casting is located above side cover, on trans. case. or Estimated Reading Time: 5 mins. Engine Casting Numbers Explained Chevrolet The Casting Numbers to the right are found just below and to the right of the Distributor on the passenger side. They are notoriously very hard to read and often people make the mistake of thinking a '3' is an '8'. · is the casting number for the saginaw used in at least. But the other numbers don't match the extension or sidecover casting numbers. Like Cobalt said, it is very easy to mistake a 6 for an 8 in these castings. does not match any casting numbers in my books. Any more information about this trans? Pics?
5 is the casting number for the saginaw used in at least. 61 cc Cathedral / / LS1 (perimeter) 2. Search for: Gm engine block decoder. Casting Numbers. v. 2 Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, Crankshaft and intake casting numbers. The manual had truck stuff in it but it was clearly biased towards cars. Last edited: . Search your casting number. The Transmission block casting number R 7 T 28 GM number Martinius. is the casting number of the transmission case for the 3 speed transmission for passenger cars and Corvettes. Note 3: M/22 gear ratio: 1st , 2nd , 3rd , 4th direct, Rev Effective Octo, an additional letter was added to the plant prefix number to help identify the gear ratios in Muncie transmissions. The additional letter codes as follows: Muncie 3 speed Manual. Muncie 4 speed manual transmissions.
Transmission block casting number R 7 T 28 GM number Martinius. is the casting number of the transmission case for the 3 speed transmission for passenger cars and Corvettes. Numbers are displayed below, as they appear on the transmissions. FIRST TRANSMISSION. Casting is located above side cover, on trans. case. OR GM 8. K SECOND TRANSMISSION. Number is located on side cover. X GM. This may be a 3 speed overdrive? THIRD TRANSMISSION. Casting is located above side cover, on trans. case. or General Chevrolet Transmission Identification Transmissions are marked and identified by: Casting numbers on the case, extention housing and side cover (on manual trans). - Date Casting Codes - Assembly Date Code Stamping - can be stamped anywhere - Chassis Vin Number stamping - beginning in Transmissions have RPO numbers, usually beginning with "M".
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